On ping response, send back the version of the worker and the number of concurrent jobs.
Merge pull request #29 from brocaar/worker_info_in_ping_response

On ping response, send back the version of the worker and the number of concurrent jobs.
MAke sure the shebang line does contain a shebang
fool proofing popen by using shlex
Merge remote-tracking branch 'spilgames/master'
no shebang unit test
version bump
Retry request 5x when the response is in the 4xx range before raising an exception.
shebang: test only at start of line
Merge pull request #30 from spilgui/master

shebang + shlex fixes
Merge remote-tracking branch 'spilgames/master' into retry_on_4xx_status_code

Conflicts:
	README.rst
Merge pull request #31 from brocaar/retry_on_4xx_status_code

Retry request 5x when the response is in the 4xx range before raising an exception.